685 lines
19 KiB
JavaScript
685 lines
19 KiB
JavaScript
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"use strict";
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const os = require("os");
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const {
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SourceMapConsumer
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} = require("source-map");
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const {
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validate
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} = require("schema-utils");
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const serialize = require("serialize-javascript");
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const {
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Worker
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} = require("jest-worker");
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const {
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throttleAll,
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cssnanoMinify,
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cssoMinify,
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cleanCssMinify,
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esbuildMinify,
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parcelCssMinify
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} = require("./utils");
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const schema = require("./options.json");
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const {
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minify
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} = require("./minify");
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/** @typedef {import("schema-utils/declarations/validate").Schema} Schema */
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/** @typedef {import("webpack").Compiler} Compiler */
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/** @typedef {import("webpack").Compilation} Compilation */
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/** @typedef {import("webpack").WebpackError} WebpackError */
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/** @typedef {import("jest-worker").Worker} JestWorker */
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/** @typedef {import("source-map").RawSourceMap} RawSourceMap */
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/** @typedef {import("webpack").Asset} Asset */
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/** @typedef {import("postcss").ProcessOptions} ProcessOptions */
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/** @typedef {import("postcss").Syntax} Syntax */
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/** @typedef {import("postcss").Parser} Parser */
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/** @typedef {import("postcss").Stringifier} Stringifier */
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/**
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* @typedef {Object} CssNanoOptions
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* @property {string} [configFile]
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* @property {[string, object] | string | undefined} [preset]
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*/
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/** @typedef {Error & { plugin?: string, text?: string, source?: string } | string} Warning */
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/**
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* @typedef {Object} WarningObject
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* @property {string} message
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* @property {string} [plugin]
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* @property {string} [text]
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* @property {number} [line]
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* @property {number} [column]
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*/
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/**
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* @typedef {Object} ErrorObject
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* @property {string} message
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* @property {number} [line]
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* @property {number} [column]
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* @property {string} [stack]
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*/
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/**
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* @typedef {Object} MinimizedResult
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* @property {string} code
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* @property {RawSourceMap} [map]
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* @property {Array<Error | ErrorObject| string>} [errors]
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* @property {Array<Warning | WarningObject | string>} [warnings]
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*/
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/**
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* @typedef {{ [file: string]: string }} Input
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*/
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/**
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* @typedef {{ [key: string]: any }} CustomOptions
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*/
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/**
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* @template T
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* @typedef {T extends infer U ? U : CustomOptions} InferDefaultType
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*/
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/**
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* @template T
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* @callback BasicMinimizerImplementation
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* @param {Input} input
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* @param {RawSourceMap | undefined} sourceMap
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* @param {InferDefaultType<T>} minifyOptions
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* @returns {Promise<MinimizedResult>}
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*/
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/**
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* @template T
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* @typedef {T extends any[] ? { [P in keyof T]: BasicMinimizerImplementation<T[P]>; } : BasicMinimizerImplementation<T>} MinimizerImplementation
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*/
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/**
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* @template T
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* @typedef {T extends any[] ? { [P in keyof T]?: InferDefaultType<T[P]> } : InferDefaultType<T>} MinimizerOptions
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*/
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/**
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* @template T
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* @typedef {Object} InternalOptions
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* @property {string} name
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* @property {string} input
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* @property {RawSourceMap | undefined} inputSourceMap
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* @property {{ implementation: MinimizerImplementation<T>, options: MinimizerOptions<T> }} minimizer
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*/
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/**
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* @typedef InternalResult
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* @property {Array<{ code: string, map: RawSourceMap | undefined }>} outputs
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* @property {Array<Warning | WarningObject | string>} warnings
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* @property {Array<Error | ErrorObject | string>} errors
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*/
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/** @typedef {undefined | boolean | number} Parallel */
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/** @typedef {RegExp | string} Rule */
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/** @typedef {Rule[] | Rule} Rules */
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/** @typedef {(warning: Warning | WarningObject | string, file: string, source?: string) => boolean} WarningsFilter */
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/**
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* @typedef {Object} BasePluginOptions
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* @property {Rules} [test]
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* @property {Rules} [include]
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* @property {Rules} [exclude]
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* @property {WarningsFilter} [warningsFilter]
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* @property {Parallel} [parallel]
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*/
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/**
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* @template T
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* @typedef {JestWorker & { transform: (options: string) => InternalResult, minify: (options: InternalOptions<T>) => InternalResult }} MinimizerWorker
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*/
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/**
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* @typedef{ProcessOptions | { from?: string, to?: string, parser?: string | Syntax | Parser, stringifier?: string | Syntax | Stringifier, syntax?: string | Syntax } } ProcessOptionsExtender
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*/
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/**
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* @typedef {CssNanoOptions & { processorOptions?: ProcessOptionsExtender }} CssNanoOptionsExtended
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*/
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/**
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* @template T
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* @typedef {T extends CssNanoOptionsExtended ? { minify?: MinimizerImplementation<T> | undefined, minimizerOptions?: MinimizerOptions<T> | undefined } : { minify: MinimizerImplementation<T>, minimizerOptions?: MinimizerOptions<T> | undefined }} DefinedDefaultMinimizerAndOptions
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*/
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/**
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* @template T
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* @typedef {BasePluginOptions & { minimizer: { implementation: MinimizerImplementation<T>, options: MinimizerOptions<T> } }} InternalPluginOptions
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*/
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const warningRegex = /\s.+:+([0-9]+):+([0-9]+)/;
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/**
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* @template [T=CssNanoOptionsExtended]
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*/
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class CssMinimizerPlugin {
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/**
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* @param {BasePluginOptions & DefinedDefaultMinimizerAndOptions<T>} [options]
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*/
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constructor(options) {
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validate(
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/** @type {Schema} */
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schema, options || {}, {
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name: "Css Minimizer Plugin",
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baseDataPath: "options"
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});
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const {
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minify =
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/** @type {BasicMinimizerImplementation<T>} */
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cssnanoMinify,
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minimizerOptions =
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/** @type {MinimizerOptions<T>} */
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{},
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test = /\.css(\?.*)?$/i,
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warningsFilter = () => true,
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parallel = true,
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include,
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exclude
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} = options || {};
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/**
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* @private
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* @type {InternalPluginOptions<T>}
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*/
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this.options = {
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test,
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warningsFilter,
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parallel,
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include,
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exclude,
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minimizer: {
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implementation:
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/** @type {MinimizerImplementation<T>} */
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minify,
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options: minimizerOptions
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}
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};
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}
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/**
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* @private
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* @param {any} input
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* @returns {boolean}
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*/
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static isSourceMap(input) {
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// All required options for `new SourceMapConsumer(...options)`
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// https://github.com/mozilla/source-map#new-sourcemapconsumerrawsourcemap
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return Boolean(input && input.version && input.sources && Array.isArray(input.sources) && typeof input.mappings === "string");
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}
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/**
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* @private
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* @param {Warning | WarningObject | string} warning
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* @param {string} file
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* @param {WarningsFilter} [warningsFilter]
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* @param {SourceMapConsumer} [sourceMap]
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* @param {Compilation["requestShortener"]} [requestShortener]
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* @returns {Error & { hideStack?: boolean, file?: string } | undefined}
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*/
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static buildWarning(warning, file, warningsFilter, sourceMap, requestShortener) {
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let warningMessage = typeof warning === "string" ? warning : `${warning.plugin ? `[${warning.plugin}] ` : ""}${warning.text || warning.message}`;
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let locationMessage = "";
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let source;
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if (sourceMap) {
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let line;
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let column;
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if (typeof warning === "string") {
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const match = warningRegex.exec(warning);
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if (match) {
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line = +match[1];
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column = +match[2];
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}
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} else {
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({
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line,
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column
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} =
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/** @type {WarningObject} */
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warning);
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}
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if (line && column) {
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const original = sourceMap.originalPositionFor({
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line,
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column
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});
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if (original && original.source && original.source !== file && requestShortener) {
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({
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source
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} = original);
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warningMessage = `${warningMessage.replace(warningRegex, "")}`;
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locationMessage = `${requestShortener.shorten(original.source)}:${original.line}:${original.column}`;
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}
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}
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}
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if (warningsFilter && !warningsFilter(warning, file, source)) {
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return;
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}
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/**
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* @type {Error & { hideStack?: boolean, file?: string }}
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*/
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const builtWarning = new Error(`${file} from Css Minimizer plugin\n${warningMessage}${locationMessage ? ` ${locationMessage}` : ""}`);
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builtWarning.name = "Warning";
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builtWarning.hideStack = true;
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builtWarning.file = file; // eslint-disable-next-line consistent-return
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return builtWarning;
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}
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/**
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* @private
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* @param {Error | ErrorObject | string} error
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* @param {string} file
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* @param {SourceMapConsumer} [sourceMap]
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* @param {Compilation["requestShortener"]} [requestShortener]
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* @returns {Error}
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*/
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static buildError(error, file, sourceMap, requestShortener) {
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/**
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* @type {Error & { file?: string }}
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*/
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let builtError;
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if (typeof error === "string") {
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builtError = new Error(`${file} from Css Minimizer plugin\n${error}`);
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builtError.file = file;
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return builtError;
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}
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if (
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/** @type {ErrorObject} */
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error.line &&
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/** @type {ErrorObject} */
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error.column) {
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const {
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line,
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column
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} =
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/** @type {ErrorObject & { line: number, column: number }} */
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error;
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const original = sourceMap && sourceMap.originalPositionFor({
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line,
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column
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});
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if (original && original.source && requestShortener) {
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builtError = new Error(`${file} from Css Minimizer plugin\n${error.message} [${requestShortener.shorten(original.source)}:${original.line},${original.column}][${file}:${line},${column}]${error.stack ? `\n${error.stack.split("\n").slice(1).join("\n")}` : ""}`);
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builtError.file = file;
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return builtError;
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}
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builtError = new Error(`${file} from Css Minimizer plugin\n${error.message} [${file}:${line},${column}]${error.stack ? `\n${error.stack.split("\n").slice(1).join("\n")}` : ""}`);
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builtError.file = file;
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return builtError;
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}
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if (error.stack) {
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builtError = new Error(`${file} from Css Minimizer plugin\n${error.stack}`);
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builtError.file = file;
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return builtError;
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}
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builtError = new Error(`${file} from Css Minimizer plugin\n${error.message}`);
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builtError.file = file;
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return builtError;
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}
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/**
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* @private
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* @param {Parallel} parallel
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* @returns {number}
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*/
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static getAvailableNumberOfCores(parallel) {
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// In some cases cpus() returns undefined
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// https://github.com/nodejs/node/issues/19022
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const cpus = os.cpus() || {
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length: 1
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};
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return parallel === true ? cpus.length - 1 : Math.min(Number(parallel) || 0, cpus.length - 1);
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}
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/**
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* @private
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* @param {Compiler} compiler
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* @param {Compilation} compilation
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* @param {Record<string, import("webpack").sources.Source>} assets
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* @param {{availableNumberOfCores: number}} optimizeOptions
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* @returns {Promise<void>}
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*/
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async optimize(compiler, compilation, assets, optimizeOptions) {
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const cache = compilation.getCache("CssMinimizerWebpackPlugin");
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let numberOfAssetsForMinify = 0;
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const assetsForMinify = await Promise.all(Object.keys(typeof assets === "undefined" ? compilation.assets : assets).filter(name => {
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const {
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info
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} =
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/** @type {Asset} */
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compilation.getAsset(name);
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|
|
if ( // Skip double minimize assets from child compilation
|
||
|
|
info.minimized) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!compiler.webpack.ModuleFilenameHelpers.matchObject.bind( // eslint-disable-next-line no-undefined
|
||
|
|
undefined, this.options)(name)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}).map(async name => {
|
||
|
|
const {
|
||
|
|
info,
|
||
|
|
source
|
||
|
|
} =
|
||
|
|
/** @type {Asset} */
|
||
|
|
compilation.getAsset(name);
|
||
|
|
const eTag = cache.getLazyHashedEtag(source);
|
||
|
|
const cacheItem = cache.getItemCache(name, eTag);
|
||
|
|
const output = await cacheItem.getPromise();
|
||
|
|
|
||
|
|
if (!output) {
|
||
|
|
numberOfAssetsForMinify += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
name,
|
||
|
|
info,
|
||
|
|
inputSource: source,
|
||
|
|
output,
|
||
|
|
cacheItem
|
||
|
|
};
|
||
|
|
}));
|
||
|
|
|
||
|
|
if (assetsForMinify.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
/** @type {undefined | (() => MinimizerWorker<T>)} */
|
||
|
|
|
||
|
|
|
||
|
|
let getWorker;
|
||
|
|
/** @type {undefined | MinimizerWorker<T>} */
|
||
|
|
|
||
|
|
let initializedWorker;
|
||
|
|
/** @type {undefined | number} */
|
||
|
|
|
||
|
|
let numberOfWorkers;
|
||
|
|
|
||
|
|
if (optimizeOptions.availableNumberOfCores > 0) {
|
||
|
|
// Do not create unnecessary workers when the number of files is less than the available cores, it saves memory
|
||
|
|
numberOfWorkers = Math.min(numberOfAssetsForMinify, optimizeOptions.availableNumberOfCores);
|
||
|
|
|
||
|
|
getWorker = () => {
|
||
|
|
if (initializedWorker) {
|
||
|
|
return initializedWorker;
|
||
|
|
}
|
||
|
|
|
||
|
|
initializedWorker =
|
||
|
|
/** @type {MinimizerWorker<T>} */
|
||
|
|
new Worker(require.resolve("./minify"), {
|
||
|
|
numWorkers: numberOfWorkers,
|
||
|
|
enableWorkerThreads: true
|
||
|
|
}); // https://github.com/facebook/jest/issues/8872#issuecomment-524822081
|
||
|
|
|
||
|
|
const workerStdout = initializedWorker.getStdout();
|
||
|
|
|
||
|
|
if (workerStdout) {
|
||
|
|
workerStdout.on("data", chunk => process.stdout.write(chunk));
|
||
|
|
}
|
||
|
|
|
||
|
|
const workerStderr = initializedWorker.getStderr();
|
||
|
|
|
||
|
|
if (workerStderr) {
|
||
|
|
workerStderr.on("data", chunk => process.stderr.write(chunk));
|
||
|
|
}
|
||
|
|
|
||
|
|
return initializedWorker;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
const {
|
||
|
|
SourceMapSource,
|
||
|
|
RawSource
|
||
|
|
} = compiler.webpack.sources;
|
||
|
|
const scheduledTasks = [];
|
||
|
|
|
||
|
|
for (const asset of assetsForMinify) {
|
||
|
|
scheduledTasks.push(async () => {
|
||
|
|
const {
|
||
|
|
name,
|
||
|
|
inputSource,
|
||
|
|
cacheItem
|
||
|
|
} = asset;
|
||
|
|
let {
|
||
|
|
output
|
||
|
|
} = asset;
|
||
|
|
|
||
|
|
if (!output) {
|
||
|
|
let input;
|
||
|
|
/** @type {RawSourceMap | undefined} */
|
||
|
|
|
||
|
|
let inputSourceMap;
|
||
|
|
const {
|
||
|
|
source: sourceFromInputSource,
|
||
|
|
map
|
||
|
|
} = inputSource.sourceAndMap();
|
||
|
|
input = sourceFromInputSource;
|
||
|
|
|
||
|
|
if (map) {
|
||
|
|
if (!CssMinimizerPlugin.isSourceMap(map)) {
|
||
|
|
compilation.warnings.push(
|
||
|
|
/** @type {WebpackError} */
|
||
|
|
new Error(`${name} contains invalid source map`));
|
||
|
|
} else {
|
||
|
|
inputSourceMap =
|
||
|
|
/** @type {RawSourceMap} */
|
||
|
|
map;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (Buffer.isBuffer(input)) {
|
||
|
|
input = input.toString();
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @type {InternalOptions<T>}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
const options = {
|
||
|
|
name,
|
||
|
|
input,
|
||
|
|
inputSourceMap,
|
||
|
|
minimizer: {
|
||
|
|
implementation: this.options.minimizer.implementation,
|
||
|
|
options: this.options.minimizer.options
|
||
|
|
}
|
||
|
|
};
|
||
|
|
let result;
|
||
|
|
|
||
|
|
try {
|
||
|
|
result = await (getWorker ? getWorker().transform(serialize(options)) : minify(options));
|
||
|
|
} catch (error) {
|
||
|
|
const hasSourceMap = inputSourceMap && CssMinimizerPlugin.isSourceMap(inputSourceMap);
|
||
|
|
compilation.errors.push(
|
||
|
|
/** @type {WebpackError} */
|
||
|
|
CssMinimizerPlugin.buildError(
|
||
|
|
/** @type {any} */
|
||
|
|
error, name, hasSourceMap ? new SourceMapConsumer(
|
||
|
|
/** @type {RawSourceMap} */
|
||
|
|
inputSourceMap) : // eslint-disable-next-line no-undefined
|
||
|
|
undefined, // eslint-disable-next-line no-undefined
|
||
|
|
hasSourceMap ? compilation.requestShortener : undefined));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
output = {
|
||
|
|
warnings: [],
|
||
|
|
errors: []
|
||
|
|
};
|
||
|
|
|
||
|
|
for (const item of result.outputs) {
|
||
|
|
if (item.map) {
|
||
|
|
let originalSource;
|
||
|
|
let innerSourceMap;
|
||
|
|
|
||
|
|
if (output.source) {
|
||
|
|
({
|
||
|
|
source: originalSource,
|
||
|
|
map: innerSourceMap
|
||
|
|
} = output.source.sourceAndMap());
|
||
|
|
} else {
|
||
|
|
originalSource = input;
|
||
|
|
innerSourceMap = inputSourceMap;
|
||
|
|
} // TODO need API for merging source maps in `webpack-source`
|
||
|
|
|
||
|
|
|
||
|
|
output.source = new SourceMapSource(item.code, name, item.map, originalSource, innerSourceMap, true);
|
||
|
|
} else {
|
||
|
|
output.source = new RawSource(item.code);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (result.errors && result.errors.length > 0) {
|
||
|
|
const hasSourceMap = inputSourceMap && CssMinimizerPlugin.isSourceMap(inputSourceMap);
|
||
|
|
|
||
|
|
for (const error of result.errors) {
|
||
|
|
output.warnings.push(CssMinimizerPlugin.buildError(error, name, hasSourceMap ? new SourceMapConsumer(
|
||
|
|
/** @type {RawSourceMap} */
|
||
|
|
inputSourceMap) : // eslint-disable-next-line no-undefined
|
||
|
|
undefined, // eslint-disable-next-line no-undefined
|
||
|
|
hasSourceMap ? compilation.requestShortener : undefined));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (result.warnings && result.warnings.length > 0) {
|
||
|
|
const hasSourceMap = inputSourceMap && CssMinimizerPlugin.isSourceMap(inputSourceMap);
|
||
|
|
|
||
|
|
for (const warning of result.warnings) {
|
||
|
|
const buildWarning = CssMinimizerPlugin.buildWarning(warning, name, this.options.warningsFilter, hasSourceMap ? new SourceMapConsumer(
|
||
|
|
/** @type {RawSourceMap} */
|
||
|
|
inputSourceMap) : // eslint-disable-next-line no-undefined
|
||
|
|
undefined, // eslint-disable-next-line no-undefined
|
||
|
|
hasSourceMap ? compilation.requestShortener : undefined);
|
||
|
|
|
||
|
|
if (buildWarning) {
|
||
|
|
output.warnings.push(buildWarning);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
await cacheItem.storePromise({
|
||
|
|
source: output.source,
|
||
|
|
warnings: output.warnings,
|
||
|
|
errors: output.errors
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
if (output.warnings && output.warnings.length > 0) {
|
||
|
|
for (const warning of output.warnings) {
|
||
|
|
compilation.warnings.push(warning);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (output.errors && output.errors.length > 0) {
|
||
|
|
for (const error of output.errors) {
|
||
|
|
compilation.errors.push(error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
const newInfo = {
|
||
|
|
minimized: true
|
||
|
|
};
|
||
|
|
const {
|
||
|
|
source
|
||
|
|
} = output;
|
||
|
|
compilation.updateAsset(name, source, newInfo);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
const limit = getWorker && numberOfAssetsForMinify > 0 ?
|
||
|
|
/** @type {number} */
|
||
|
|
numberOfWorkers : scheduledTasks.length;
|
||
|
|
await throttleAll(limit, scheduledTasks);
|
||
|
|
|
||
|
|
if (initializedWorker) {
|
||
|
|
await initializedWorker.end();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @param {Compiler} compiler
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
apply(compiler) {
|
||
|
|
const pluginName = this.constructor.name;
|
||
|
|
const availableNumberOfCores = CssMinimizerPlugin.getAvailableNumberOfCores(this.options.parallel);
|
||
|
|
compiler.hooks.compilation.tap(pluginName, compilation => {
|
||
|
|
compilation.hooks.processAssets.tapPromise({
|
||
|
|
name: pluginName,
|
||
|
|
stage: compiler.webpack.Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE_SIZE,
|
||
|
|
additionalAssets: true
|
||
|
|
}, assets => this.optimize(compiler, compilation, assets, {
|
||
|
|
availableNumberOfCores
|
||
|
|
}));
|
||
|
|
compilation.hooks.statsPrinter.tap(pluginName, stats => {
|
||
|
|
stats.hooks.print.for("asset.info.minimized").tap("css-minimizer-webpack-plugin", (minimized, {
|
||
|
|
green,
|
||
|
|
formatFlag
|
||
|
|
}) => // eslint-disable-next-line no-undefined
|
||
|
|
minimized ?
|
||
|
|
/** @type {Function} */
|
||
|
|
green(
|
||
|
|
/** @type {Function} */
|
||
|
|
formatFlag("minimized")) : "");
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
CssMinimizerPlugin.cssnanoMinify = cssnanoMinify;
|
||
|
|
CssMinimizerPlugin.cssoMinify = cssoMinify;
|
||
|
|
CssMinimizerPlugin.cleanCssMinify = cleanCssMinify;
|
||
|
|
CssMinimizerPlugin.esbuildMinify = esbuildMinify;
|
||
|
|
CssMinimizerPlugin.parcelCssMinify = parcelCssMinify;
|
||
|
|
module.exports = CssMinimizerPlugin;
|